Bilaketaren emaitzak - International Institute of Biological Husbandry

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  1. 1
    Composting in tropical agriculture

    Composting in tropical agriculture nork Dalzell, H. W.

    Argitaratua 1979
    “...International Institute of Biological Husbandry...”
    Liburua

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  2. 2
    Biological husbandry : a scientific approach to organic farming /

    Biological husbandry : a scientific approach to organic farming /

    Argitaratua 1981
    “...International Institute of Biological Husbandry...”
    Liburua

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    Gorde:

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